* doc/emacs/mini.texi (Completion Styles): Improve indexing.

doc/emacs/mini.texi

@@ -464,12 +464,14 @@ Lisp symbol).  The default completion styles are (in order):
 
 @table @code
 @item basic
+@cindex @code{basic}, completion style
 A matching completion alternative must have the same beginning as the
 text in the minibuffer before point.  Furthermore, if there is any
 text in the minibuffer after point, the rest of the completion
 alternative must contain that text as a substring.
 
-@findex partial-completion
+@cindex partial completion
+@cindex @code{partial-completion}, completion style
 @item partial-completion
 This aggressive completion style divides the minibuffer text into
 words separated by hyphens or spaces, and completes each word
@@ -481,6 +483,7 @@ Furthermore, a @samp{*} in the minibuffer text is treated as a
 corresponding position in the completion alternative.
 
 @item emacs22
+@cindex @code{emacs22}, completion style
 This completion style is similar to @code{basic}, except that it
 ignores the text in the minibuffer after point.  It is so-named
 because it corresponds to the completion behavior in Emacs 22.
@@ -493,6 +496,7 @@ can add them to @code{completion-styles} if you wish
 
 @table @code
 @item substring
+@cindex @code{substring}, completion style
 A matching completion alternative must contain the text in the
 minibuffer before point, and the text in the minibuffer after point,
 as substrings (in that same order).
@@ -503,6 +507,7 @@ between @samp{foo} and @samp{bar}, that matches
 @var{c} can be any string including the empty string.
 
 @item initials
+@cindex @code{initials}, completion style
 This very aggressive completion style attempts to complete acronyms
 and initialisms.  For example, when completing command names, it
 matches @samp{lch} to @samp{list-command-history}.